77.85% is the change from 307 to 546
Calculation steps:
[( 546 - 307 ) ÷ 307] x 100 = 77.85%
Formula
Percentage change = [(546 - 307) / 307] x 100
Subtract the new number by the original number
546 - 307 = 239
239 ÷ 307 = 0.7785016286644951
0.7785016286644951 x 100 = 77.85%